Toothbrush



FIG. 1 is a left side elevational view of a toothbrush according to my new design, the right side being a mirror image thereof;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left side elevational view of an alternate embodiment of my new design, the right side being a mirror image thereof;

FIG. 5 is a front elevational view of my new design shown in FIG. 4; and,

FIG. 6 is a rear elevational view of my new design shown in FIG. 4. 

The ornamental design for a toothbrush, as shown and described. 